Corning forecast a fourth-quarter loss, excluding job-cut costs and some other expenses, of 8 cents to 12 cents a share on sales of $775 million to $825 million. The average estimate of analysts polled by Thomson First Call is for a loss of 6 cents on sales of $845.9 million.

Shares of the Corning, N.Y.-based company rose 14 cents to $2.02 on the NYSE.